#include"apue.h"
 static void my_exit1(void);
 static void my_exit2(void);


int main (void)
{
	if(atexit(my_exit2)!=0)
		err_sys("can't register my_exit2)");
	if(atexit(my_exit1)!=0)
		err_sys("can't register my_exit1");
	if(atexit(my_exit1)!=0)
		err_sys("can't register my_exit1");
	printf("main is done \n");
	return 0;

}

static void my_exit1(void)
{
	printf("first exit hander\n");

}
static void my_exit2(void)
{
	printf("second exit hander\n");

}


